Dave's Heavy duty synthetic diesel oil 15W-40 (1 gallon)

This oil and viscosity grades are compatible with emission aftertreatment systems.

Dave's Heavy duty Synthetic Diesel Oil 15W-40 is a high-performance, full-synthetic formulation engineered for diesel vehicles. It delivers exceptional protection under severe-duty applications—extreme loads, stop-and-go traffic, long-haul runs, and extended drain intervals. Ideal for on-highway trucks, off-road equipment, and heavy-duty fleets.

• For medium-duty and heavy-duty diesel engines
• Contains zinc additive booster
• Fully-formulated to protect hardware and prevent deposits

Key Benefits

• Advanced Additive Package
  Optimized to reduce wear, combat oxidation, and resist thermal breakdown—even under prolonged high-temperature operation.

• Superior Soot Control & Cleanliness
  Detergents and dispersants effectively manage soot and sludge, preserving turbochargers, EGR coolers, and injector nozzles.

• High-Performance Viscosity Modifiers
  Polymers deliver outstanding shear stability, maintaining film strength at high temperatures while ensuring rapid cold-start pumpability.

• Extended Drain Capability
  Maintains oil integrity and protection for longer intervals—reducing downtime and maintenance costs.

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Directions for Use

1. Warm Up Engine: Run for 5 minutes to circulate old oil.

2. Drain & Replace Filter: Always fit a manufacturer-approved oil filter.

3. Refill: Pour in Dave’s Premium 15W-40 up to the level specified in your owner’s manual.

4. Check Level: Verify on the dipstick after idling 1–2 minutes.

5. Service Interval: Follow OEM or engine-builder recommendations for drain times; this oil supports extended intervals.

Fitment Table

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